1 #ifndef HW_SPAPR_NESTED_H 2 #define HW_SPAPR_NESTED_H 3 4 #include "target/ppc/cpu.h" 5 6 typedef struct SpaprMachineStateNested { 7 uint64_t ptcr; 8 uint8_t api; 9 #define NESTED_API_KVM_HV 1 10 #define NESTED_API_PAPR 2 11 bool capabilities_set; 12 uint32_t pvr_base; 13 GHashTable *guests; 14 } SpaprMachineStateNested; 15 16 typedef struct SpaprMachineStateNestedGuest { 17 uint32_t pvr_logical; 18 unsigned long nr_vcpus; 19 struct SpaprMachineStateNestedGuestVcpu *vcpus; 20 } SpaprMachineStateNestedGuest; 21 22 /* Nested PAPR API related macros */ 23 #define H_GUEST_CAPABILITIES_COPY_MEM 0x8000000000000000 24 #define H_GUEST_CAPABILITIES_P9_MODE 0x4000000000000000 25 #define H_GUEST_CAPABILITIES_P10_MODE 0x2000000000000000 26 #define H_GUEST_CAP_VALID_MASK (H_GUEST_CAPABILITIES_P10_MODE | \ 27 H_GUEST_CAPABILITIES_P9_MODE) 28 #define H_GUEST_CAP_COPY_MEM_BMAP 0 29 #define H_GUEST_CAP_P9_MODE_BMAP 1 30 #define H_GUEST_CAP_P10_MODE_BMAP 2 31 #define PAPR_NESTED_GUEST_MAX 4096 32 #define H_GUEST_DELETE_ALL_FLAG 0x8000000000000000ULL 33 #define PAPR_NESTED_GUEST_VCPU_MAX 2048 34 35 /* 36 * Register state for entering a nested guest with H_ENTER_NESTED. 37 * New member must be added at the end. 38 */ 39 struct kvmppc_hv_guest_state { 40 uint64_t version; /* version of this structure layout, must be first */ 41 uint32_t lpid; 42 uint32_t vcpu_token; 43 /* These registers are hypervisor privileged (at least for writing) */ 44 uint64_t lpcr; 45 uint64_t pcr; 46 uint64_t amor; 47 uint64_t dpdes; 48 uint64_t hfscr; 49 int64_t tb_offset; 50 uint64_t dawr0; 51 uint64_t dawrx0; 52 uint64_t ciabr; 53 uint64_t hdec_expiry; 54 uint64_t purr; 55 uint64_t spurr; 56 uint64_t ic; 57 uint64_t vtb; 58 uint64_t hdar; 59 uint64_t hdsisr; 60 uint64_t heir; 61 uint64_t asdr; 62 /* These are OS privileged but need to be set late in guest entry */ 63 uint64_t srr0; 64 uint64_t srr1; 65 uint64_t sprg[4]; 66 uint64_t pidr; 67 uint64_t cfar; 68 uint64_t ppr; 69 /* Version 1 ends here */ 70 uint64_t dawr1; 71 uint64_t dawrx1; 72 /* Version 2 ends here */ 73 }; 74 75 /* Latest version of hv_guest_state structure */ 76 #define HV_GUEST_STATE_VERSION 2 77 78 /* Linux 64-bit powerpc pt_regs struct, used by nested HV */ 79 struct kvmppc_pt_regs { 80 uint64_t gpr[32]; 81 uint64_t nip; 82 uint64_t msr; 83 uint64_t orig_gpr3; /* Used for restarting system calls */ 84 uint64_t ctr; 85 uint64_t link; 86 uint64_t xer; 87 uint64_t ccr; 88 uint64_t softe; /* Soft enabled/disabled */ 89 uint64_t trap; /* Reason for being here */ 90 uint64_t dar; /* Fault registers */ 91 uint64_t dsisr; /* on 4xx/Book-E used for ESR */ 92 uint64_t result; /* Result of a system call */ 93 }; 94 95 /* 96 * nested_ppc_state is used to save the host CPU state before switching it to 97 * the guest CPU state, to be restored on H_ENTER_NESTED exit. 98 */ 99 struct nested_ppc_state { 100 uint64_t gpr[32]; 101 uint64_t lr; 102 uint64_t ctr; 103 uint64_t cfar; 104 uint64_t msr; 105 uint64_t nip; 106 uint32_t cr; 107 108 uint64_t xer; 109 110 uint64_t lpcr; 111 uint64_t lpidr; 112 uint64_t pidr; 113 uint64_t pcr; 114 uint64_t dpdes; 115 uint64_t hfscr; 116 uint64_t srr0; 117 uint64_t srr1; 118 uint64_t sprg0; 119 uint64_t sprg1; 120 uint64_t sprg2; 121 uint64_t sprg3; 122 uint64_t ppr; 123 124 int64_t tb_offset; 125 /* Nested PAPR API */ 126 uint64_t amor; 127 uint64_t dawr0; 128 uint64_t dawrx0; 129 uint64_t ciabr; 130 uint64_t purr; 131 uint64_t spurr; 132 uint64_t ic; 133 uint64_t vtb; 134 uint64_t hdar; 135 uint64_t hdsisr; 136 uint64_t heir; 137 uint64_t asdr; 138 uint64_t dawr1; 139 uint64_t dawrx1; 140 uint64_t dexcr; 141 uint64_t hdexcr; 142 uint64_t hashkeyr; 143 uint64_t hashpkeyr; 144 ppc_vsr_t vsr[64] QEMU_ALIGNED(16); 145 uint64_t ebbhr; 146 uint64_t tar; 147 uint64_t ebbrr; 148 uint64_t bescr; 149 uint64_t iamr; 150 uint64_t amr; 151 uint64_t uamor; 152 uint64_t dscr; 153 uint64_t fscr; 154 uint64_t pspb; 155 uint64_t ctrl; 156 uint64_t vrsave; 157 uint64_t dar; 158 uint64_t dsisr; 159 uint64_t pmc1; 160 uint64_t pmc2; 161 uint64_t pmc3; 162 uint64_t pmc4; 163 uint64_t pmc5; 164 uint64_t pmc6; 165 uint64_t mmcr0; 166 uint64_t mmcr1; 167 uint64_t mmcr2; 168 uint64_t mmcra; 169 uint64_t sdar; 170 uint64_t siar; 171 uint64_t sier; 172 uint32_t vscr; 173 uint64_t fpscr; 174 }; 175 176 typedef struct SpaprMachineStateNestedGuestVcpu { 177 bool enabled; 178 struct nested_ppc_state state; 179 } SpaprMachineStateNestedGuestVcpu; 180 181 void spapr_exit_nested(PowerPCCPU *cpu, int excp); 182 typedef struct SpaprMachineState SpaprMachineState; 183 bool spapr_get_pate_nested_hv(SpaprMachineState *spapr, PowerPCCPU *cpu, 184 target_ulong lpid, ppc_v3_pate_t *entry); 185 uint8_t spapr_nested_api(SpaprMachineState *spapr); 186 #endif /* HW_SPAPR_NESTED_H */ 187